(19)
(11) EP 0 251 368 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.10.1989 Bulletin 1989/41

(43) Date of publication A2:
07.01.1988 Bulletin 1988/01

(21) Application number: 87201069.9

(22) Date of filing: 09.06.1987
(51) International Patent Classification (IPC)4: F02M 37/22, B01D 29/13, B01D 29/74
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 24.06.1986 IT 1810786

(71) Applicant: UNIVERSAL FILTER ITALIANA S.p.A.
I-37060 Nogarole Rocca (Verona) (IT)

(72) Inventors:
  • Fava, Gilberto
    Fraz. Cerese I-46030 Virgilio (Mantova) (IT)
  • Girondi, Giorgio
    I-46100 Mantova (IT)

(74) Representative: Corradini, Corrado 
4, Via Dante Alighieri
42100 Reggio Emilia
42100 Reggio Emilia (IT)


(56) References cited: : 
   
       


    (54) Fluid filtration device


    (57) The invention relates to a fluid filtration device which allows easy filter declogging whenever considered necessary. The invention consists of a device comprising a filtering surface (1) contained in a casing (30) in which the filtering surface (1) adheres to the outer surface (31) of an element (2) which is able to be rotated and is provided with a central duct (3) opening in correspondence with the filtered fluid outlet port (12b) and with through bores (5) which put the outer surface (31) embraced by the filtering surface (1) into communication with the central duct (3), the casing (30) defining a space portion (32) about the filtering surface (1) for entry of the fluid to be filtered and cleaned.







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